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A person or thing that bolts, or runs suddenly.
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A plant that grows larger and more rapidly than usual.
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(flour milling) A machine or mechanism that automatically sifts milled flour.
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A person who sifts flour or meal.
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(petroleum refining) A filter mechanism.
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An obscure athlete who wins an upset victory.
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(horseracing) A horse that wins at long odds.
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In team sports, a relatively little-known or inexperienced player who inspires the team to greater success.
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A member of a political party who does not support the party's nominee.
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A missed landing on an aircraft carrier; an aircraft that has made a missed landing.
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A kind of fishing line; a boulter.